After automatic update to Android 4 ICS my Asus Transformer 101 became very slow at re-connecting to WiFi hot spot, sometimes up to one minute delay before it gets connected. If you have similar problem, try to clean a list of registered WiFi networks and remove all unnecessary remembered connections.
Update: problem returned after device was updated to Android 4.0.3 (2.6.39.4)
Update: problem returned after device was updated to Android 4.0.3 (2.6.39.4)
Hi i had a similar problem. Wifi was set to disconnect when the screen went off, and like you seemed to be really slow to reconnect. I found that when i was looking in the wireless settings, it was trying to reconect to a wifi network which was no longer available, but this network was not the last network it was connected to. It might be a coincidence but it was alphabetically nearer. I deleted this network and now the wifi connection is instant.
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